1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9992a5a21fa91bc94cfe24162cdc6f0c110fd82bdb0bd7574d6f06b4a5dcc0a2. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab89b7dc-14ee-44f0-bd1a-606a7c12969b.json and https://artists.proofprofile.net/proofs/artist/ab89b7dc-14ee-44f0-bd1a-606a7c12969b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
幸福号出帆 オリジナル・サウンドトラック
オールド・ファッション・ダンス
The Horizon of Happiness Original Soundtrack
Crest of the Stars Original Motion Picture Soundtrack
星界の紋章 オリジナルサウンドトラック
エンディングテーマ「失われた青空」
Friends・Love・Believing～ぬくもりをありがとう - Instrumental
Banner of the Stars Original Motion Picture Soundtrack
Banner of the Stars Ⅱ Original Motion Picture Soundtrack
Main Theme - Banner of the Stars Ⅱ Version
音楽畑 オーサーズ ベスト, Vol. 2 (International Version)
音楽畑 オーサーズ ベスト プレミアム
音楽畑22 The Final? (International Edition)